GB/T 41062-2021 Translated English of Chinese Standard. (GBT41062-2021): Test method for thermal transport properties to friction materials and brakes
https://www.chinesestandard.net, 6 juin 2020 - 18 pages
This document describes test methods for thermal diffusivity, specific heat, thermal conductivity, and coefficient of thermal expansion to friction materials and brakes. This document applies to the determination of thermal conductivity properties to disc brake linings, drum brake linings and friction materials.
according to Formula according to GB/T affect apparatuses required apparatuses The instruments applicable brake linings Calculate according calibration Celsius characteristic coefficient of thermal components constant cooling density Determination method determination of thermal determined according device diameter displacement document error flash method following information friction materials greater heat flow heat flow meter heat transfer high temperature identification include the following Instruments and apparatuses Joules length mass maximum measurement meet the requirements meter method method methods for thermal Note performance powder preparation prevent probe properties pushrod recommended record reference representative sample samples shall meet shape specific heat square standard surface temperature rise Test methods test piece Test procedure test report test results test temperature thermal conductivity thermal diffusivity thermal expansion thermal resistance thermocouple thickness of test unit Wang watts